1 1. By 2023, there will be 1 1 black pearl three diamond restaurants in China, 7 of which are located in Chinese mainland. There are seven black pearl three diamond restaurants in the mainland, including Shanghai three, Hangzhou 1 home, Beijing 1 home, Taizhou 1 home and Guangzhou 1 home. There are two in Hong Kong and two in Macau. Black Pearl Sanzuan Restaurant refers to one of the restaurants with the highest score in the catering field in China.